ARP head studs are a must for any 6.7 making serious power.  These heavy duty head studs are rated at 220,000 psi tensile strength to give your project the clamping force needed to stop the heads from lifting at higher cylinder pressure from more fueling and extra boost.

ARP is proud to manufacture their head studs in Santa Paula, California.  Threads are rolled after heat treating and centerless ground for the finest quality fasteners money can buy.